A .wux file is a Wii U Compressed Disc Image. It is essentially a compressed version of a .wud (Wii U Disc Image) file.
.wux
.wud
Working with BOTW WUX files: Tips and best practices
How to extract and view BOTW WUX files
Date: October 2023 (knowledge cutoff context) Subject: File structure and usage of .wux images for The Legend of Zelda: Breath of the Wild (BOTW)
